var VFDData = {
  Operating_frequency: 1,
  Bus_voltage: 2,
  output_voltage: 3,
  output_current: 4,
  output_power: 5,
  output_torque: 6,
  running_speed: 7,
  running_state: 8,
};
msg.payload = {
  clientId: 'ImJQZg04',
  reportTime: Date.now(),
  data: VFDData,
  transCode: '1',
  transType: 1,
  transMessage: 'report',
  location: {
    altitude: 293.52000902721968,
    latitude: 31.22019664278146,
    longitude: 87.69072385004034,
  },
};
return msg;
